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Abstract #0189

Validation of radially undersampled 4D-Flow-MRI in an animal model of portal hypertension

Alex Frydrychowicz 1 , Alejandro Roldan-Alzate 2 , Emily Winslow 2 , Dan Consigny 2 , Camilo Campo 2 , Utaroh Motosugi 2 , Kevin M Johnson 2 , Christopher J Franois 2 , Oliver Wieben 2 , and Scott B Reeder 2

1 Clinic for Radiology and Nuclear Medicine, University Hospital Schleswig-Hosltein, Campus Lbeck, Lbeck, Schleswig-Holstein, Germany, 2 University of Wisconsin - Madison, Wisconsin, United States

An animal model of portal hypertension by partial portal vein ligature was created in seven pigs and evaluated by 4D Flow MRI using PC-VIPR, a radially undersampled acquisition scheme. During the operative procedure, vessels were assessed by perivascular ultrasound to provide an unprecedented in-vivo comparison of 4D Flow MRI to a reference standard. PHTN was successfully created, results show a good agreement of US and 4D Flow MRI using PC-VIPR.

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